40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
/*
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© Copyright IBM Corporation 2019, 2023
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package filecheck
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import (
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"fmt"
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"path/filepath"
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"strings"
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"github.com/ibm-messaging/mq-container/internal/pathutils"
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)
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// CheckFileSource checks the filename is valid
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func CheckFileSource(fileName string) error {
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absFile, _ := filepath.Abs(fileName)
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prefixes := []string{"bin", "boot", "dev", "lib", "lib64", "proc", "sbin", "sys"}
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for _, prefix := range prefixes {
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if strings.HasPrefix(absFile, pathutils.CleanPath("/", prefix)) {
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return fmt.Errorf("Filename resolves to invalid path '%v'", absFile)
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}
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}
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return nil
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}
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